Engineer – Building Services

Salary: Up to £48,000 + paid overtime & callout
Location: Liverpool Street, London (with occasional paid travel to Chelmsford)

Pareto FM has an opportunity for an experienced Building Services Engineer to join our on-site team at a premium commercial office environment, working with a high-end insurer in the heart of the City.

This is a hands-on role, ideal for an engineer who enjoys taking responsibility for their work, supporting the wider team, and playing a key part in keeping a busy, high-profile site running safely and efficiently.

What you’ll be doing day to day

You’ll be part of a small on-site engineering team, carrying out a mix of planned and reactive maintenance, with responsibility for ensuring building systems remain compliant, operational and well maintained.

Key activities include:

• Carrying out PPM and reactive maintenance across M&E and building services systems

• Fault-finding and resolving issues across HVAC plant including AHUs, FCUs, VAVs, pumps and motors

• Monitoring and responding to BMS alarms, UPS systems and critical plant

• Completing statutory inspections and ensuring compliance tasks are carried out and recorded

• Updating CAFM systems accurately with works completed and follow-on actions

• Supporting and coordinating subcontractors on site when required, including permits to work

• Acting professionally as a day-to-day point of contact on site, working closely with the client and wider Pareto FM team

While this is not a management role, you’ll be trusted to take ownership of tasks, support colleagues when needed, and demonstrate leadership through professionalism, reliability and technical competence.

Where you’ll work & the environment

• Predominantly based Liverpool Street area in London

• Occasional, paid travel to a satellite building in Chelmsford

• A fast-paced, high-quality commercial office environment

• Working directly with a prestigious, high-end insurer

• A lively site where no two days are the same and standards are high

Working hours, overtime & callout

• 40 hours per week, Monday to Friday

• Alternating shift pattern:

  • Early shift: 07:00 – 16:00

  • Late shift: 09:00 – 18:00

• Plenty of paid overtime available, including evenings and weekends

• Optional on-call rota, currently 1 in 3

  • £100 standby payment per on-call period

  • Minimum 4 hours paid per callout, at overtime rates

Team & support

• Part of a close-knit on-site engineering team

• Supported by a site-based Technical Manager and wider contract support

• Weekly team meetings and regular face-to-face communication

• A collaborative “one-team” culture where engineers support each other

Essential experience & skills

• Experience working within a Building Services / Facilities Management environment

• Strong background in PPM and reactive maintenance

• Confident fault-finding across mechanical and electrical systems

• Experience with HVAC plant, BMS monitoring, emergency lighting and compliance checks

• Comfortable using CAFM systems and IT tools

• Calm under pressure, flexible in approach and professional when dealing with clients

Qualifications

• Trade background in electrical or mechanical engineering

• Trained to City & Guilds or equivalent standard

  • City & Guilds 2330 (Electrical) Level 2 & 3 or

  • City & Guilds 6035 Level 3 (Plumbing/Mechanical) or equivalent

• Legionella L8 awareness (or willingness to be trained)

Why engineers choose this role

• A single, high-profile site rather than constant multi-site travel

• A supportive team and strong on-site management

• Interesting, varied work in a premium environment

• Paid overtime and clear callout structure

• Subsidised food allowance plus unlimited tea and coffee on site

• Training and development opportunities with progression available within Pareto FM

If you’re a hands-on Building Services Engineer who takes pride in their work, enjoys being trusted on site, and wants to be part of a professional, well-run contract — we’d love to hear from you.